New pool owner for the second time...

[aylad]

Most likely it was used up if you have green stuff present. To clear up the green stuff, you need to get your chlorine up to the 12-15 ppm range and hold it there until it clears, filter running.In a 36K gallon pool, each gallon of 6% bleach should raise your FC by 1.7 ppm, so you can use that as a guide when testing and adding more bleach to get back up to the shock level.

Janet

[BigDave]

I think I read somewhere else on this forum that the 101 is 3%.

[lstinthot]

I think I read somewhere else on this forum that the 101 is 3%.

based on my most recent tests I would believe that is true. It is also just slightly less than half the cost of 6% bleach. So I could just buy twice as much. Thanks.

Thank you Janet. I will start to work the Cl` levels up.

[lstinthot]

water is crystal clear today after Irene visited last night. I had to do some vacuuming this morning to get the leaves out. Now I am sitting around
4 ppm FC
0ppm CC
PH 8
TA 100
CH 190
CYA 60

Will add a gallon of 12.5% tonight after sun goes down. I used 3 gallons yesterday to get ready for Irene, Cl` was around 10 when storm started. Pool level raised 2 inches.

Based on the best guess chart I am low on Cl`. Should I add the gallon now in the middle of the day? Sun is out pool is open. Water temp is probably low 80's.

Thanks,

[aylad]

Since you're low for that CYA level, and since hurricanes bring all sorts of nasty stuff with them, I would add your chlorine now, instead of waiting for tonight. However, honestly if it were my pool, I would just wait and shock the pool tonight to kill off whatever Irene brought with her.

Janet